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US3338835A Expired / Lapsed US ⏱️ 0.0 years remaining

Glycol based, hydraulic fluid additive

Assignee: Old Carco LLC
•
Filing: 1965-01-28
•
Granted: 1967-08-29
•
Expires: 1985-01-28
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Abstract

No abstract record available.

Inventors

  • 👤 John H Wright

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:06
CPC Classifications
C; C10; C10M; C10M3/00; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/087; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/026; C10M2207/04; C10M2207/046; C10M2207/40; C10M2207/402; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/108; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2227/00; C10M2227/02; C10M2227/06; C10M2227/061; C10N; C10N2040/00; C10N2040/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2151300A Cited
US2497521A Cited
US2795548A Cited
US2803604A Cited
US2815328A Cited
US2979524A Cited
US2982733A Cited
US3005776A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-08-28 1971-02-27 1971-08-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-08-28 1975-02-27 1975-08-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-08-28 1979-02-27 1979-08-29 $7700.00 Window Closed / Lapsed

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